Soybean

Corn and soybean fields at the Rogers Memorial Farm
Soybean and corn fields at the University's Rogers Memorial Farm east of Lincoln.

USDA-NASS: Corn 74% Good-Excellent, Soybean, 70%, Wheat, 48% June 26, 2017

Dry conditions across much of Nebraska allowed wheat harvest to begin, according to the report from the USDA National Agricultural Statistics Service for the week ending June 25.

Topsoil moisture supplies rated 14% very short, 42% short, 44% adequate, and 0% surplus. Subsoil moisture supplies rated 7% very short, 33% short, 60% adequate, and 0% surplus.

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Japanese Beetle

Japanese Beetles Emerging in Corn and Soybean June 19, 2017

Corn and soybean growers should be scouting for Japanese beetles, which have started emerging in eastern Nebraska. First identified in counties along the state's eastern border several years ago, the beetles were found as far west as Lincoln County in 2016.

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Corn at the Roger's Memorial Farm near Lincoln

Nebraska Crop Conditions (NASS, 6/19/17) June 19, 2017

Nebraska corn condition rated 78% good to excellent, soybean rated 72% good to excellent, and wheat rated 51% good to excellent, according to the June 18 report from USDA NASS.

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Weed escapes in soybean after preemergence application
Figure 1. A soybean field in south central Nebraska without preemergence herbicide application. Applying a well-timed postemergence herbicide will be the only control option. (Photos by Amit Jhala)

Consider Application Restrictions of Postemergence Herbicides Based on Soybean Growth Stage June 19, 2017

It's important to consider soybean growth stage and preharvest interval when applying postemergence herbicides to avoid potential crop injury. This article describes how to determine crop growth stage and includes a table of application restrictions for common postemergence herbicides.

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Nebraska Crop Progress and Condition June 13, 2017

For the week ending June 11, Nebraska temperatures averaged four to eight degrees above normal and were accompanied by dry conditions, according to the USDA’s National Agricultural Statistics Service. Only the southern tip of the Panhandle and a few central counties received significant rain. The warm, dry weather allowed planting and other field work to continue.

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Volunteer corn in a soybean field
Figure 1. Soybean field infested with volunteer corn in southcentral Nebraska.

Control of Glyphosate-Resistant Volunteer Corn in Liberty-Link Soybean June 12, 2017

Controlling glyphosate-resistant volunteer corn is a major challenge in some soybean fields this year as preemergence herbicides aren't very effective. Postemergence herbicides will be critical to its management.

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Phytophthora root and stem rot

Conditions Favor Early Season Soybean Diseases Again This Year June 6, 2017

Cool, wet conditions in May may be contributing to soybean seedling injury from disease. Scouting is recommended to identify diseases and differentiate injury from that caused by herbicides when determining potential stand loss.

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Soybean seedling damage due to PPO-inhibitor herbicide

PPO-Inhibiting Herbicides and Soybean Seedling Injuries June 5, 2017

Cool, wet soil conditions in late April and May may have enhanced the potential for soybean injury from PPO-inhibiting herbicides. The author describes plant injury symptoms to look for when scouting young soybean seedlings.

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